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Primitive Reflexes

Reflexes which are normally found in infancy but which disappear with brain maturation during childhood may be labeled as "primitive reflexes" if they reemerge in adulthood as a consequence of pathological states. Many of these reflexes are seen with frontal lobe pathology (e.g., grasp, pout/snout, palmomental, rooting, corneomandibular) and hence may also be known as "Frontal Release Signs." However, the term "primitive reflex" could equally apply to Babinski’s sign which is not necessarily frontal in origin.